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package pkoracle

import "github.com/milvus-io/milvus/internal/storage"

// PK stat is the interface for pk statistics.
type PkStat interface {
	PkExists(lc *storage.LocationsCache) bool
	BatchPkExist(lc *storage.BatchLocationsCache) []bool
	BatchPkExistWithHits(lc *storage.BatchLocationsCache, hits []bool) []bool
	UpdatePKRange(ids storage.FieldData) error
	Roll(newStats ...*storage.PrimaryKeyStats)
	GetHistory() []*storage.PkStatistics
}
